The Heart Nebula, IC 1805

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

Autore: Konstantinos Tsekas (sito)