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Markarian's Chain

Category:Deep Sky
Published:
1824
Markarian's ChainNGC 4354NGC 4367NGC 4413NGC 4443IC 3279IC 3307IC 3333IC 3354IC 3408IC 3420IC 3423IC 3426NGC 4313NGC 4351NGC 4371NGC 4374NGC 4377NGC 4387NGC 4388NGC 4402NGC 4406NGC 4407NGC 4419NGC 4425NGC 4431NGC 4435NGC 4436NGC 4438NGC 4440NGC 4446NGC 4447NGC 4452NGC 4458NGC 4459NGC 4461NGC 4468NGC 4473NGC 4474NGC 4476NGC 4477NGC 4478NGC 4479NGC 4486NGC 4491IC 794IC 3224IC 3233IC 3235IC 3238IC 3239IC 3244IC 3246IC 3258IC 3261IC 3280IC 3291IC 3301IC 3303IC 3305IC 3311IC 3315IC 3327IC 3331IC 3344IC 3349IC 3355IC 3356IC 3358IC 3363IC 3381IC 3382IC 3386IC 3388IC 3392IC 3393IC 3409IC 3419IC 3422IC 3431IC 3432IC 3440
Resolution:
1142x675 px
File size:
248 KB

Photo description / processing

White nights have arrived in our latitude; it's already light at two in the morning. The sun doesn't dip below the horizon by more than 12 degrees, so technically it's not night but astronomical twilight. You can still do astrophotography, but the results will be different. I nostalgically recall an astro-trip beyond the Kama River a month ago, when at the peak of darkness you could barely make out the mount and fellow astronomers just a few steps away. It was then that galaxies in the constellation Virgo and the famous Markarian's Chain were captured—a group of galaxies arranged like a beautiful pendant, with galaxies strung like diamonds (cropped frame). In the full version of the astrophotograph, almost any object that differs in shape and is larger than a star is a galaxy. Equipment and shooting parameters from April 15, 2023.

Technical information

Telescope/Lens
Jupiter-21M 200mm f/4 Lens
Camera
Canon EOS 550D (astro-modified)
Mount
Sky-Watcher Star Adventurer
Software
Sequator, Adobe Lightroom
Location
Казань, Россия

Light pollution

Blue, Bortle 3 zone

Date taken
t.me/StarSeekerNotes/2507

Exposure

  • 84 × 60″ · ISO/Gain: 6400 · clip UV/IR- cut L3 ·

Total exposure: 1 h 24 m

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