NGC891

Posted: Mar 3rd, 2023

Show astrometry on hover

NGC

IC

HD

Technical Info

Telescope/Lens: TAL-250K

Camera: ZWO ASI294MC Pro

Mount: M9

Guide Scope: NPZ

Guide Camera: ZWO asi174mm

Software: N.I.N.A., PHD2, EQMod, Pixinsight

Accessories: compressor Mk1

Exposure:

60 x 300" ISO/Gain: 120

White zoneLight Pollution:

Moscow, Russia

Oct 17th, 2018

5 h 0 m

1643

22

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Resolution: 2347x1602 px

Scale: 242 KB

Dmitry Makolkin

21

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Comments

Great shot! How did you manage to take 5-minute exposures in a white zone without filters?

4 Mar, 2023 Reply

Dmitry Makolkin Replied to Anatolii

Thank you!
Long exposures are possible because I have a relatively slow telescope, F/6.

5 Mar, 2023 Reply

Anatolii Replied to Dmitry Makolkin

Thank you! I thought so too. But subjectively, it felt like 5 minutes was way too long even for F/6.

6 Mar, 2023 Reply

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