The Heart Nebula, IC 1805, Sharpless 2-190, lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. It is an emission nebula showing glowing ionized hydrogen gas and darker dust lanes.
Location: Stinger of Scorpius Observatory, Filiates, Thesprotia – Greece.
Work is ready…..
Processing: Kostas Tsekas – Aras Teo
Bortle Scale: Class 4
Constellation: Cassiopeia
Imaging Telescope: William optics star 71 f/4.9
Equatorial Mount: Avalon linear fast reverse (Avalon Instruments)
Guide Scope : Skywatcher ed80 Black Diamond
Guide Camera:ZWO ASI290MM Mini (mono)
Main Camera: CCD Atik One 6.0 Monochrome
Filters: Astrodon Hydrogen Alpha 5nm
Astrodon Oxygen iii 3nm
Baader Sulfor ii 8nm
Exposures: 60X600sec for Hydrogen Alpha : (10 hours total)
45X600sec for Oxygen iii : (7.5 hours total)
Binning: 1×1 for each filter
Image Calibration: 60 dark frames, 230 bias frames, 35 flat frames
Sensor temperature: -10°C
Image acquisition software: Artemis Capture
Telescope guiding software: PHD2
Processing software: Pixinsight – CCD stack – Photoshop CS6
Acquisition dates: 12/09/2020 – 13/09/2020 (H-Alpha Filter)
05/12/2020 – 15/12/2020 (O iii Filter)
Total exposure : 17.5 hours Δείτε λιγότερα