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NGC2237

dmcl
46959
Category:Deep Sky
Published:
1577
NGC2237NGC 2244NGC 2237NGC 2238NGC 2239NGC 2246NGC 2252
Resolution:
3681x2507 px
File size:
42510 KB

Technical information

Telescope/Lens
Askar 103 APO 0.6X
Camera
ZWO ASI294MM Pro
Mount
EQ6-R
Guide Scope
M54 OAG
Guide Camera
ZWO ASI174MM
Location
Barnaul, Russia

Light pollution

Yellow, Bortle 5 zone

Date taken

Exposure

  • 19 × 300″ · ISO/Gain: 120 · Optolong Sii ·
  • 12 × 300″ · ISO/Gain: 120 · Optolong Ha ·
  • 18 × 300″ · ISO/Gain: 120 · Antlia Oiii ·

Total exposure: 4 h 5 m

Comments

Lzaza
Hello! Could you tell me how you shoot calibration frames for the 294mm and which ones you use? Thank you in advance!
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dmclReply to Lzaza
Good day. I shoot darks in the refrigerator. That is, I have a pre-prepared library of darks for different temperatures and exposures. I do not shoot offsets. Flats, of course, I take immediately after the shooting session for each filter. Usually, 50 frames.
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LzazaReply to dmcl
What exposure length do you use for flats?
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dmclReply to Lzaza
So it all depends on the brightness of the lamp. I get about one second.
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