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Open star cluster M44 "The Beehive Cluster" or "Praesepe"

Max_astro
1631593
Category:Deep Sky
Published:
2566
Open star cluster M44 "The Beehive Cluster" or "Praesepe"
Resolution:
3581x2629 px
File size:
75453 KB

Photo description / processing

The open star cluster M44, also known as the "Beehive Cluster" or "Praesepe" (the Manger). Captured with a Nikon D5300 paired with a Tamron 70-300mm telephoto lens, shooting through a window with a screen. Stacked 34 exposures of 5 seconds each at ISO 1600, aperture at f/4.2. Calibration frames were taken with a full set: 30 darks, 30 biases, and 15 flats. Stacked in DSS. Various corrections for noise, color, and other adjustments were performed in FitsWork4 and FITStacker 13. Masks, levels, curves, and other general corrections were applied in Gimp 2.10.22. Chromatic aberration suppression, saturation adjustment, and final background correction were done in Adobe Photoshop 2021. The imaging was conducted from a yellow-orange light pollution zone on the eastern horizon (the city is located to the west). To the east, the light pollution zones are yellow and green.

Technical information

Telescope/Lens
Tamron 70-300mm Lens
Camera
Nikon D5300
Mount
QZSD Q999 Tripod
Software
DeepSkyStacker, Fitswork4, Fitstacker13, GIMP, Adobe Photoshop
Location
Уссурийск, Россия

Light pollution

Orange, Bortle 6 zone

Date taken

Exposure

  • 34 × 5″ · ISO/Gain: 1600 ·

Total exposure: 3 m

Comments

Serhii Solohub
Could you please tell me how you performed background correction and reduced chromatic aberration in Photoshop? Is there any tutorial available?
Reply

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