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Michael A. Stecker
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Lagoon Nebula (M8)
The Lagoon Nebula is a large emission nebula in Sagittarius. file: M8-180sX18AP130f4d7p2-7112023bx2.jpg Photographic Data telescope: Astro-Physics 130 mm (5.1-inch) f/6 triplet refractor focally reduced to f/4.7 (FL= 616 mm)
mount:
ZWO AM5 harmonic/strainwave Mount Guide Settings in Asiair Plus: Calibrate Step: 5,000 ms Dec Duration: 3,000 ms RA Duration: 2,000 ms Aggression: 50% for both RA & Dec Exposure time for guiding: 1 second
Guiding hardware:
SVBony 60 mm f/4 guidescope (fl=240 mm) Guide Camera: ZWO ASI662MC color planetary camera (2.97 micron pixels) controller/computer ZWO Asiair Plus via WiFi to Samsung S7+ tablet . imaging camera: ZWO ASI533MC-Pro one-shot color astro-camera cooled to 14-degrees F with Optolong L-eNhanced nebular filter . exposures: 180 seconds X 18 (54-minutes)
processing
Stacked in Asiair Plus and cropped and post-processed in Adobe Photoshop Elements . photographic site: West Los Angeles http://mstecker.com/pages/chhouses_fp.htm (Bortle 9 light polluted sky) |
 The central core of M8 file: M8-20sX16AP130f6P2core-72023cr2aa.jpg |
 The "Hourglass Nebula" is the brightest area of the Lagoon Nebula (M8). This is a crop of a photo from my 9.25-inch Celestron EdgeHD SCT at f/7 file: M8center120sX.17Cel925f7p2- a7122023a-crhgn1.jpg |
