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Thank you for your purchase of the SunDancer II H-alpha lter! It is a high quality product
for solar observation. When observing the sun, always exercise due caution and follow the
safety instructions.
For best results, we recommend that you spend a few minutes reading this manual before
using the SunDancer II.
– EN ver. 08/2023 –
BAADER PLANETARIUM
Zur Sternwarte 4 • D-82291 Mammendorf • Tel. +49 (0) 8145 / 8089-0 • Fax +49 (0) 8145 / 8089-105
www.baader-planetarium.com • kontakt@baader-planetarium.de • www.celestron.de
Manual
and Application Tips
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Summary of Contents for Baader Planetarium SUNDANCER II
- Page 1 Manual and Application Tips Thank you for your purchase of the SunDancer II H-alpha lter! It is a high quality product for solar observation. When observing the sun, always exercise due caution and follow the safety instructions. For best results, we recommend that you spend a few minutes reading this manual before using the SunDancer II.
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Page 2: Table Of Contents
Observing with the SunDancer II ........ - Page 3 Yellow: Optional accessories. Telecentric System H-alpha Blocking Filter (Ø12mm) The SunDancer II is simply plugged between the star diagonal and eyepiece. Connect the SunDancer II to the control box (cables and ) and the control box to a power ...
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Page 4: Sundancer Ii H-Alpha-Filter
SunDancer II H-Alpha-Filter Congratulations on your purchase of the SunDancer II, a compact heated H-alpha lter that combines a 3x telecentric system, ablocking lter and an H-alpha lter in a single housing. It has been designed with safety and ease of use in mind, combined with an extremely age-resistant construction and a high-quality lter. -
Page 5: All In One
SunDancer II at a telescope with mirror star diagonal. lowing only red light to pass. Hand control and power supply are stored in the yellow bag. -
Page 6: Scope Of Delivery
Scope of Delivery of the SunDancer II 1. SunDancer II H-alpha- lter unit comprising the blocking lter, 3x telecentric system and focusing eyepiece holder # 2458125 2. Temperature control box (hand control) 3. Power supply (with international adapters) 4. Carrying case 5. - Page 7 • Connection on telescope side: 2" and 1¼" plug-in sleeve • Connection on eyepiece side: 1¼" with ne focusing; T-2 • With telescopes up to approx. 600 mm focal length, the entire solar disk is visible © Baader Planetarium GmbH | 2021...
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Page 8: Preparations
The lter should be mounted as close as possible to the front of the lens so that no warm layers of air can accumulate between the lens and the lter and impair the image quality. Always make sure that the lter is rmly seated to avoid it dropping from the telescope! Manual: SunDancer II... -
Page 9: Usage Without An Energy Rejection Filter
You can also use D-ERF lters on smaller telescopes, as they protect the inside of the tube from the heat of the sun. This has no in uence on the function of the SunDancer II, but it may affect the tube entrance and thus the possible maximum magni cation. - Page 10 The SunDancer II consists of two parts (plus the 1¼" eyepiece clamp). On the left is the actual H-alpha filter, i.e. the etalon with the heating element and the micrometer screw. To the right, in the 3x telecentric system, the integrated block filter can be seen in the entrance opening.
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Page 11: Eyepieces
TZ-3S into the TZ-4S. Please note that the TZ-4S is only available without the blocking lter. When using the SunDancer II, the blocking lter must therefore be taken from the TZ-3S and installed in the TZ-4S. Instructions on how to do this can be found from page 24 onwards. - Page 12 Long focal length 1¼" eyepieces have eld stop diame- ters up to about 28 mm. This eld stop diameter covers the available image circle of the SunDancer II. The use of 2" eyepieces is nevertheless pro table, as it allows lower magni cations and thus a brighter image, plus often a more comfortable viewing behaviour and an even slightly larger eld of view.
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Page 13: Choosing A Star Diagonal
Tip for experienced DIY builders: A suf ciently direct sunlight. strong 12V power source can, if necessary, supply both the mount and the SunDancer II via an optional Y-cable, which makes for a very tidy setup. Caution: Do not reverse the polarity of the power supply. If possible, use the supplied power supply or cables with reverse polarity protection. -
Page 14: Observing With The Sundancer Ii
1¼" dust cap still on, the plastic will evaporate and may deposit on the optics of the telescope or on the blocking lter and destroy them! 4. Place the SunDancer II in the eyepiece clamp or the star diagonal (1¼" or 2") of the telescope and secure it. -
Page 15: The Functions Of The Temperature Control Box
Note: The SunDancer II is pre-calibrated. To match it to your speci c system, you may have to change the operating temperature slightly. Without further calibration, it may show the best image when the micrometer screw is not in the most inward position. -
Page 16: Changing The Operation Temperature
• Polarising lters: 1¼" # 2408343; 2" # 2408342 • Neutral density lters (grey lters) ND 0.6 (T=25%): 1¼" # 2458343; 2": # 2458321 # 2458344; 2": # 2458322 • Neutral density lters (grey lters) ND 0.9 (T=12.5%): 1¼": Manual: SunDancer II... -
Page 17: Using A Telecompressor
10 mm in diameter per metre of telescope focal length. Therefore with the built-in 3x telecentric, the whole sun disc (with prominences) can be viewed in telescopes with a native focal length of up to about 600 mm. © Baader Planetarium GmbH | 2021... -
Page 18: Using A Bino-Viewer
To use a bino-viewer with T-2 connection, simply screw the T-2 coupling nut onto the T-2 thread of the SunDancer II instead of the 1¼" eyepi- ece socket. If you are using the binocular attachment with Zeiss micro bayonet, screw... -
Page 19: Calibrating The Filter And Settings Of The Temperature Control Box
Note: For best imaging and to avoid re ections, the lter should not be tilted. The micrometer screw is used for quick observations of Doppler effects; the H-alpha line should be adjusted via the temperature. © Baader Planetarium GmbH | 2021... -
Page 20: Calibrating The Filter
Calibrating the Filter The SunDancer II has been calibrated at the factory and should give the best image when the micrometer screw has been turned clockwise as far as it will go without applying force and the heater has reached the preset target temperature, so that the temperature difference display is also at "0". -
Page 21: Photography
Photography In total, you have three options for connecting a camera to the SunDancer II. For the best imaging quality, you should pay attention to the working distance of 65 mm, alt- hough the system also works well at other distances. A deviation from the ideal working distance will affect the magni cation and image quality, although the system has pro- ven to be quite docile. -
Page 22: Dslr And Ccd Cameras
H-alpha line is hit again even with a tilted lter. SunDancer II with Baader M68-Tilter and adapters You can use a tilting unit like our Baader M68-Tilter... -
Page 23: Telecompressor
The telecompressor delivers much better results and is much easier to use, at a com- parable price to a xed focal length lens. © Baader Planetarium GmbH | 2021... - Page 24 Moving the blocking filter into the TZ-4S To use the TZ-4S with the Baader SunDancer II H-alpha lter 1363056, the 2 nm blo- cking lter from the original TZ-3S must be moved to the TZ-4S. To do this, proceed as follows: 1.
- Page 25 filter, besides the original TZ-3S, now without blocking filter. Before each use of the SunDancer II H-alpha lter, always make sure that you are indeed using the telecentric with the 2 nm block lter. Only the SunDancer II H-alpha- lter...
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Page 26: Don't Miss Anything - The Baader-Planetarium Newsletter
.com © 2023 Baader Planetarium. All Rights reserved. Products or instructions may change without notice or obligation. Images and illustrations may differ from the original products. We reserve the right of errors. Reproduction of this instruction manual, complete or in parts, only with written permission by BAADER PLANETARIUM Zur Sternwarte 4 •...
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