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Dimensions2800 x 2100
Original file size1.38 MB
Image typeJPEG
NGC 6140 - Barred Spiral in Draco

NGC 6140 - Barred Spiral in Draco

Date Posted: 4/8/2025
Date Taken: Three nights from 5/30 thru 6/7/2024
Scope: Planewave CDK 12.5 f/8, 2541mm
Camera: SBIG STL-11000 with Astrodon Tru-Balance E-Series Gen2 filters
Temp: -15C
Mount: Losmandy Titan
Guiding: On-axis via ONAG-XM and SX UltraStar at 2541mm. FocusLock real-time focus for focusing.
Exposure: LRGB, 345:85:85:85, total 10 hours. Luminance 15min unbinned; RGB 5min binned 2x2.

Calibrated and Stacked with CCDStack2; RGB combine and DDP with MaximDL. Processed with CS4.

NGC 6140 is a rarely imaged distorted barred spiral in Draco. It is about 42 million light years away, with a magnitude of 11.2, with most of the brightness concentrated in the core. This image has been highly stretched to show the extended arms.