08 November 2012

Sh2-101 Tulip Nebula in HaRGB

Sh2-101 Tulip Nebula in HaRGB

-Telescope : William Optics FLT 110 with F/T 3025  focuser and Starizona usb motor focus
-Mount : Skywatcher EQ6 Skyscan pro with EQMod & EQDir
Chip: Qhy2 pro with FF/FR x0.8 type3 by W.O
-Guiding: TS finder 8x50 with Meade DSI I & Starlight Xpress usb  filter wheel 7x1.25
-Location: Salamina ,GR  21/07/2012
-Astrodon Ha(5nm) : 195minutes
- Baader RGB : 48/48/60minutes
-Total : 351minutes
-Programs I have used: Maxim dl , Photoshop CS5 , The Sky6 , FocusMax

Information about Sh2-101

The Tulip Nebula, or Sharpless 101 (Sh2-101) or the Cygnus Star Cloud is an emission nebula located in the constellation Cygnus. It is so named because it appears to resemble the outline of a tulip when imaged photographically. It was catalogued by astronomer Stewart Sharpless in his 1959 catalog of nebulae. It lies at a distance of about 6,000 light-years (5.7×1016 km; 3.5×1016 mi) from Earth.

The Tulip nebula, at least in the field seen from earth, is in close proximity to microquasar Cygnus X-1, site of one of the first suspected black holes. Cygnus X-1 is the brighter of the two stars (lower star) in close vertical proximity just to the right of the Tulip nebula.

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