Stacks Image 1584


Stacks Image 1582

RGB plus Hydrogen Alpha hybrid image

Stacks Image 662

Hydrogen Alpha

SH2-101 "Tulip Nebula"

About this object

This view of the sky covers nearly 1 deg and looks into the Constellation Cygnus and highlights an object called Sharpless 2-101, recorded in the 1959 catalog by astronomer Stewart Sharpless. This nebula is popularly known as the Tulip Nebula due to its likeness to the flower. This area lies approx 8,000 light years distant and also includes the most famous x-ray sources in the sky, Cygnus X-1. The area is full of Hydrogen Alpha emission and the three images above highlight, normal visible light (RGB), a hybrid RGB image with Hydrogen Alpha added and a black and white Hydrogen alpha image.

Image Details

  • Optics : Stellarvue SV115T Triplet Refractor with a SFF7-21 Field Flattener
  • Mount: Mountain Instruments MI-250
  • Camera: QSI 583
  • Filters: Astrodon RGB and 5nm Ha filter set
  • Exposure: Ha: 340min, R: 190min, G: 120min, B: 190min
  • Camera/Mount Control: Maxim DL 5.18, CCD Commander
  • Location: Stark Bayou Observatory, Ocean Springs, MS
  • Date: Jun/Jul 12
Stacks Image 74
Stacks Image 75