Updating to cfw 5 00 m33

The 125399 Visual 2.75" to 2" adapter is an optional accessory that is designed to space a 2" diagonal for visual use.

We started the project on and in may 2011 we ended it. There are only about 300 Wolf-Rayet stars known in our galaxy. This nebula gets its name from the fact that the main cloud is tri-sected by a dark nebula into three main sections.

Imageprocessing has been done with CCDStack v2 and Photoshop CS5. The bubble is approximately 6 light-years in diameter.

© van den Berg, Mike; Ippel, Mathijn We have imaged M51 with a Plane Wave CDK17 for the luminance data and with a Plane Wave CDK12,5 for the RGB data. 650ft Date: January 29th, 2011 © Wade Van Arsdale * Instrument: Planewave Instruments CDK 12.5 with Astro-Physics AP27TVPH focal reducer @ f6.2 (1971mm) * Mount: AP1200GTOCP3 * Image Scale: 1.2 arc-seconds per pixel after processing Camera: SBIG ST-2000XM with AO8 Adaptive Optics and CFW10 Color Filter Wheel using Custom Scientific LRGB filters Filters & Exposure Times: o L: 18 x 5 minutes binned 1 x 1 o R: 24 x 5 minutes binned 1 x 1 G: 12 x 5 minutes binned 1 x 1 B: 18 x 5 minutes binned 1 x 1 o Super-Luminance Layer used for L-[LRGB]-RGB Stacking o Multiple Luminance Layering in Photoshop (technique as described by Rob Gendler) o Total equivalent unbinned exposure time of 10.5 hours Software: Maxim DLCCD, CCDStack, Adobe Photoshop CS2, RC Astro Gradient X-Terminator Location: C. BD 602522 is a “Wolf-Rayet” star, a star in the end stages of its life which emits fierce stellar winds (charged particles streaming from its surface) rapidly depleting its mass until it finally dies in a supernova.

The focus tube runs on 5 bearings and is driven by a leadscrew so there is no chance of slipping.

Focus may be automated through a computer using Plane Wave's EFA Kit add-on. Image 1 Image 2Three fans blow out of the optical tube pulling air though the telescope and by the primary mirror.

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