NGC7380 cluster and nebulosity in Cepheus. Small cluster to the left is King 18, small nebula at left edge is Sh2-147. Stack of two 8 minute exposures at f/4.5 with Astro-Physics Traveler apo refractor and Canon 20Da at ISO800. Contrast boosted to bring out nebulosity.
The emission nebula NGC 7380, aka the Wizard Nebula (at left) with its associated star cluster also known as NGC 7380. Delta Cephei, a famous double and variable star, is at right, barely resolved here. Delta Cep is the prototype Cepheid variable star, a prime tool for measuring cosmic distances. This is a stack of 10 x 6 minute exposures with the filter-modified Canon 5D MkII at ISO 800 through the TMB 92mm apo refractor at f/4.4 with the Borg. 0.85x field flattener/reducer. Taken from New Mexico, Nov 18, 2014.
The area in Cepheus containing NGC 7380 (upper left), aka the Wizard Nebula, as well as the famous double and variable star Delta Cephei, at top centre. The star at upper right is Zeta Cephei. The brighter nebula between the two stars is Sharpless 2-136. The large nebula at lower right, containing both red hydrogen-alpha and green oxygen-III emission regions, is Sharpless 2-132. The field of view here is 6° by 4°. This is a blend of a stack of 8 x 12-minutes at ISO 1600 through an IDAS NB1 narrowband filter, with a stack of 14 x 6-minute exposures at ISO 800 with a "clear" Astronomik UV-IR Cut filter, all with the Canon EOS Ra camera through the SharpStar 76mm apo refractor at f/4.4 with its field flattener/reducer. Autoguided and dithered with the MGEN3 auto-guider. No darks or LENR employed. Faint nebulosity brought out with the aid of luminosity masks created with Lumenzia.
