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Here's one that I like. *M45 Wide Field w/ IFN - SW Esprit 100mm APO + Starizona Apex-L 0.65x FR/FF* Imaged with a Sky-Watcher 100mm ED Triplet, Starizona 0.65x Apex-L Focal Reducer / Field Flattener

There are multiple online calculators for determining this. e..g.: https://www.bintel.com.au/tools/astronomy-calculator/?v=322b26af01d5 The focal length you use is your telescope focal length

Hi Tom I'm not sure what you mean by actual vs apparent. Often the actual focal length is slightly different than the spec of the focal length if you have two cameras with the same pixel *size*, they

Sonny wow, is this still with that atik camera of yours? They should give you an award or something your images have improved 1000% wrote:

Gary, I am unsure if your goal is to be into dedicated AP or if something on the video astronomy side would suit your needs. I've been very pleased with the color CMOS MallinCam DS10cTEC in terms of

I used CCDcalc from new astronomy here ( http://www.newastro.com/book_new/camera_app.html ). You can input your own camera telescope parameters and save them. ?It gives a visualisation of typical

I found the formula for calculating this value but have a question. When using focal length, is it the actual focal length or is it the apparent focal length? I have two different cameras with

Hi Gary, You just dropped a pretty loaded question and the answers will be varied and detailed I'm sure. I don't do planetary, but I think Brian's answer to that is a good one. But for deep sky, you

Sonny, love your image and commentary! I too want to become an accomplished long exposure astrophotographer but unlike you I have a total of 5 months experience. Could you elaborate on achieving

Sorry, probably been seen before, but 2020 changed my Astro Imaging dramatically because I got my GM811GHD mount, and finally ironed out my wrinkles from my bad habits developed from my old mount. But

dang Ken Such detail and rich color. Astonishing this is on a 24 year old G11 -- Brian Brian Valente portfolio brianvalentephotography.com <http://brianvalentephotography.com>

Happy new years folks...Brian hows the covid going with the Losmandy family?? Hope its ok -- Brendan

Hemant email me I may have a way forward to get an TFT....may....? As I said before they are really difficult if impossible to find....been searching for ages even have the OEM part number but they

Hi Brian I'll share a couple the first image is one of the last of my DSLR images before switching over to CCD(been DSLR for over 10 years) IC 2167? ? ?(first part of 2020)

Hello. I have been into telescopes and astrophotography since 1980. I want to get into digital capture of the planets and some deep space objects. I'm now retired and have time and a few bucks to use

Happy New Year Carl! -- Brian Brian Valente portfolio brianvalentephotography.com <http://brianvalentephotography.com>

The end of year is nearly here in Europe... I wanted to wish you all an happy new year!

HI everyone I would love to see some examples of images you all have taken over this past year. 2020 was a strange one, but hopefully resulted in more time for observing and imaging it would be great

(That's -19° in California, because everybody sez "It's Freezing!" when the temperature hits 60°F here. *** HA! But it *IS* cold.. I bought a pair of snow bib overalls and fur lined trapper hat..

Hi Michael! Yeah, give my mount computer a few weather days off and it forgets everything. LOL! It was working fine before the Windoze update. And it is not the first time a Windoze update caused me