another test shot 1x5 minutes Intes MK-69 (6" f/6 Mak-Cass 900mm fl) Celestron Advanced Series GT Sbig ST2000XCM -- John N. Gretchen III N5JNG NCS304 ...

M27 is sort of the M51 of summer skies, I snap some images every year. Not always long series, sometimes just to make sure that it is still there. This year I...

Ok, did found this site: http://www.colormoon.pt.to/ ... and another eyeopener :-) The attached photo I enhanced digitally to reveal the real colors of...

on my monitor, with room light off or on, a b & c look the same and x y & z look the same. can I get some feedback on what you see? -- John N. Gretchen...

Two afternoons of deconvolution in AstroArt were needed to rescue the data for this large spiral galaxy in the southern constellation of Pavo. There were...

Skywatcher recently introduced dedicated reducer/flattener lenses for their ED refractors. To test the reducer I imaged two open clusters, h+chi (NGC...

I was putting my Nov. 8 Holmes image into my to scale image of it growing. I realized it was now bigger than my frame which is about 24 minutes across. ...

I took some frames for this image in three nights, but due to clouds, dew etc only the data from one night was usable. Taken from the middle of Berlin with a...

I forgot to attach the annotated image. Here it is Rick -- Correct domain name is arvig and it is net not com. Prefix is correct. Third character is a...

-- John N. Gretchen III N5JNG NCS304 http://www.tisd.net/~jng3

My first attempt at M42. William Optics Z80, motorized EQ2 mount. stack of 6 images, total exposure 6 minutes, 30 seconds. EOS350D, prime focus. --...

Sh2-241 is an emission nebula in southern Auriga just below vdB65. I found several distance estimates. All put it over 15,000 light-years distant. The only...

this is the 304=Red, 195= Green and 174=Blue line assignment

This image was taken a few years ago with the STL-1301E camera thru the 20-inch Ritchey focal reduced to F/5. The 80mm image was taken last week. There's a...

Some time back Joe posted a shot of the Corona Borealis Cluster mislabeled as Coma Cluster but with the right Abell number (2065). That's a month away or...

We had a lot of cloudless nights recently, but all of these nights had dusty skies, some of them were also quite windy. That means that I have a lot of...

2009-July-07, Tuesday, 2140 PDT Tonight's flyover by the International Space Station, passing through the Big Dipper. A 20-second exposure, ISS travelling...

This is really cool shot George. Clear Skyz, LA "George Normandin" wrote in...

"Stefan Lilge" wrote not bad for 60 seconds... That's the fun thing about a DSLR, you can use it even at remote places without having to carry a...

I did some "gotos" with the ASA DDM85 mount in Namibia to test pointing accuracy (which was the best I have seen so far on any mount) and one target was IC...