Starship Asterisk*

Looks more like geosynchronous satellites. Because before Starlink sats where up i made this image in 2015:


M42 Orion Satellite Highway and an Asteroid. (Explore) by Kees Scherer, on Flickr

https://live.staticflickr.com/65535/49246984952_379014ef09_c.jpg Gorgeous Galaxy by Kees Scherer , on Flickr This panoramic view of the Andromeda Galaxy (Messier 31) shows the bright yellow nucleus, dark winding dust lanes, luminous blue spiral arms, and bright red emission nebulas. 17.4 hours RGB ...

The 223 Luminance images with 300 second exposure where made between 12 nov 2018 and 4 oct 2019. I make around 12 images per night when there is no Moon above the horizon and M31 is at least at 30 degrees altitude. For each night i make a stack and use that stack to do a blink comparison with a ref...

It seems to me that the central bulge gets brighter in the after image and the disk is more defined. Did you also remove atmospheric distortions? The "before" and "after" images are made with the same data, but both have to be stretched so that the histogram fits the brightness ...

M31-blink-plane2.jpg Hi Kees. Nice photo. About the disappearing "stars". I noticed by flipping between the regular photo and the "annotated" photo that there are about seven or eight "stars" that vanish, and they are all in a straight line parallel to the lines on the...

saturno2 wrote: ↑Mon Oct 14, 2019 4:33 am I like me M31 in full color !!

Me too I also made full color versions, here is an example: https://www.flickr.com/photos/kees-scherer/30243178338/.

The 223 Luminance images with 300 second exposure where made between 12 nov 2018 and 4 oct 2019. I make around 12 images per night when there is no Moon above the horizon and M31 is at least at 30 degrees altitude. For each night i make a stack and use that stack to do a blink comparison with a refe...

It looks like some stars have disappeared in the process. No, nothing was changed, this is the raw stack, the histogram is stretched with everything in it without any editing. There is also a "mouse over" function to show a version with all trails and tracks removed with LN Winsor Sigma c...

https://live.staticflickr.com/65535/48847775697_d600271cde_c.jpg Airplanes, satellites, Muon's, Worm's/ Gamma rays.... Normally we remove all the traces of cosmic radiation and human Engineering visible in the Sky. Radio-active particle traces and Gammy rays have to be removed also. It is kind of b...

https://farm8.staticflickr.com/7903/46674971822_9371732472_c.jpg Integrated Flux Nebulae (IFN) Mosaic by Kees Scherer , on Flickr This mosaic shows sections of 2 main Nebula in the Mandel-Wilson Catalogue, the Volcano Nebula (MW3 near Messier 81/82) and the Angel Nebula MW2. 1255x300 second Luminan...

Deep inside the Seven Sisters https://farm2.staticflickr.com/1976/45258345212_4d0852a677_z.jpg Deep inside the Seven Sisters by Kees Scherer , on Flickr Telescope: Esprit 100 f5.5, Camera: QHY16200 @-15C. 78x300sec Red, 69x300sec Green, 74x300sec Blue (18.4 hrs) Imaged on 5,6,7,8,9 &10 october 2...

Messier 31 in Andromeda by Kees Scherer, on Flickr

V1, "The Star that Changed the Universe" annotated in this image made with 100mm Esprit APO and QHY16200 CCD using 2x drizzle in AstroPixelProcessor. Full info on Flickr.

https://farm5.staticflickr.com/4347/36598821376_46719fa5fa_z.jpg Cygnus 70 panel Gigapixel APP Mosaic by Kees Scherer , on Flickr This 70 panel Mosaic was planned with SGP's Framing & Mosaic Wizard, imaged with Esprit 100 f5.5 telescope / QHY16200 CCD + 6nm Ha filter and processed with an all n...

It is the same picture as the 12 aug 2015 APOD: https://apod.nasa.gov/apod/ap150812.html
I was not aware that APOD used the same image more than once. It is an awesome image though!

The Red, Orange and Blue of the Cave Nebula region, a 46 hr HaRGB image from Portugal. https://farm5.staticflickr.com/4413/36214540832_9bf59744f1.jpg The Red, Orange and Blue of the Cave Nebula region. by Kees Scherer , on Flickr The Cave Nebula (Sh2-155) is a Hydrogen cloud (in the center) with a b...