Kronberger 24, Kn 24

Posted: Aug 26th, 2020

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NGC

Technical Info

Telescope/Lens: 8" Celestron Schmidt-Cassegrain CPC800 GPS (XLT)

Camera: Starlight Xpress Trius SX694

Mount: equatorial wedge

Guide Scope: CPC800, OAG

Guide Camera: ASI120MM

Software: MaxIm DL6, PHD2, PixInsight, StarTools, Photoshop CC, Zoner photo studio 14

Accessories: reducer Starizona 0.75x, filters Astrodon LRGB E-series gen.2, Astrodon Ha 5nm, Astrodon OIII 3nm

Exposure:

16 x 300" ISO/Gain: 0 - Astrodon R

16 x 300" ISO/Gain: 0 - Astrodon G

16 x 300" ISO/Gain: 0 - Astrodon B

36 x 1500" ISO/Gain: 0 - Astrodon OIII 3nm

27 x 1200" ISO/Gain: 0 - Astrodon Ha 5nm

10 x 1500" ISO/Gain: 0 - Astrodon Ha 5nm

Yellow zoneLight Pollution:

Chervonograd, Ukraine

KRONBERGER 24, KN 24

Telescope/Lens: 8" Celestron Schmidt-Cassegrain CPC800 GPS (XLT)
Camera: Starlight Xpress Trius SX694
Mount: equatorial wedge
Guide Scope: CPC800, OAG
Guide Camera: ASI120MM
Software: MaxIm DL6, PHD2, PixInsight, StarTools, Photoshop CC, Zoner photo studio 14
Accessories: reducer Starizona 0.75x, filters Astrodon LRGB E-series gen.2, Astrodon Ha 5nm, Astrodon OIII 3nm

Chervonograd, Ukraine
Light Pollution: Yellow zone

Exposure:
16 x 300" ISO/Gain: 0 - Astrodon R
16 x 300" ISO/Gain: 0 - Astrodon G
16 x 300" ISO/Gain: 0 - Astrodon B
36 x 1500" ISO/Gain: 0 - Astrodon OIII 3nm
27 x 1200" ISO/Gain: 0 - Astrodon Ha 5nm
10 x 1500" ISO/Gain: 0 - Astrodon Ha 5nm

Kronberger 24, Kn 24 is a planetary nebula in the constellation of Cygnus. 
 Kronberger 24 was discovered by Matthias Kronberger and the Deep Sky Hunters group in 2010 through a detailed review of sky survey plates followed up by confirmation images. A confirmation image in Ha was taken at Kitt Peak National Observatory.
 This planetary is a very faint with apparent size 190"x190".
 
 This image taken over several nights in October 2019.
 R-channel - 16 x 300 sec. bin 1x1;
 G-channel - 16 x 300 sec. bin 1x1;
 B-channel - 16 x 300 sec. bin 1x1;
 Ha- 27 x 1200 sec., 10 x 1500 sec. bin 2x2;
 OIII- 36 x 1500 sec. bin 2x2.
 Total integration time - 32:10 hours.

Original size: https://deepskyhosting.com/lNgzOpt
Author: Boris_US5WU

32 h 10 m

2284

Kronberger 24, Kn 24 is a planetary nebula in the constellation of Cygnus.
Kronberger 24 was discovered by Matthias Kronberger and the Deep Sky Hunters group in 2010 through a detailed review of sky survey plates followed up by confirmation images. A confirmation image in Ha was taken at Kitt Peak National Observatory.
This planetary is a very faint with apparent size 190"x190".

This image taken over several nights in October 2019.
R-channel - 16 x 300 sec. bin 1x1;
G-channel - 16 x 300 sec. bin 1x1;
B-channel - 16 x 300 sec. bin 1x1;
Ha- 27 x 1200 sec., 10 x 1500 sec. bin 2x2;
OIII- 36 x 1500 sec. bin 2x2.
Total integration time - 32:10 hours.

Resolution: 2115x1795 px

Scale: 3248 KB

Boris_US5WU

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Comments

Dmytre

How do you manage to guide with a 1500mm focal length (2000 x 0.75) using a 250mm guide scope? And with such long exposures too.

26 Aug, 2020 Reply

Boris_us5wu Replied to Dmytre

I don't have any major issues. I start by taking exposures that aren't too long, and after about an hour and a half, when everything has "settled down," I switch to longer exposures. That's basically how I captured almost all of my works. By the way, I shot this one and another (which I'll show later) with an off-axis guider.

26 Aug, 2020 Reply

Dmytre Replied to Boris_us5wu

Ah, then it's guided through the same 1.5m.

26 Aug, 2020 Reply

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