Uploaded August 2023 | Updated September 2026, 10 minutes ago
Is astrophotography real? Is that even the right question? Maybe it's better to break things down a bit and answer smaller questions... like are colors real? OK, that might not be a smaller question, but it can help us answer the first one.
0:00 Introduction
0:54 Let's focus on color
1:38 Rods vs. Cones and Brightness
3:06 Why we need more than one cone
4:33 Human cones
5:21 Silly trichromatic color vision demo
6:18 Color Opponency
10:09 Silly Color Opponency Demo
11:16 Colors are fake?! Not entirely
14:58 Knowledge is power
16:00 End stuff
Links to articles cited in the video:
1) https://www.weizmann.ac.il/brain-sciences/labs/ulanovsky/sites/neurobiology.labs.ulanovsky/files/uploads/schneidman_compulsory_reading_mastland_2001_gollisch_meister_2010.pdf
2) journals.physiology.org/doi/abs/10.1152/physrev.1937.17.2.239?journalCode=physrev
3) opg.optica.org/josaa/fulltext.cfm?uri=josaa-34-7-1099&id=367369
I made a free SNR app that can help you know how much integration time you need. It's simple to use! Check it out here: deepskydetail.shinyapps.io/Calculate_SNR
Try the sharpening tool I made! Download it from GitHub here:
github.com/deepskydetail/AstroSharp
#astronomy #astrophotography #neuralnetwork #gimp #rstudio #photography #machinelearning #free #celestron #zwo #siril nqFI29h8W0Fp9UkKOJry
For those interested, here is the gear I use (or equivalent; Orion has discontinued some of their products, so the equivalent skywatcher products are listed). Most of the links are Amazon Affiliate links. Thanks!
Skywatcher HEQ5 Mount amzn.to/3NVrVQi
Skywatcher 80mm F7.5 Doublet amzn.to/47mbfZi
ZWO EFW mini filter wheel amzn.to/48OxhoN
Optolong LRGB Filter Set (1.25") amzn.to/47r23Tw
Orion 0.8x Reducer amzn.to/47s64a4
USB RJ45 Cable for Controlling Mount amzn.to/4aPlIzu
Raspberry Pi to control mount amzn.to/48mTBWH
R Pi case with touch screen amzn.to/3HvdNKl
ZWO Autofocuser amzn.to/3Skg0hX
Is astrophotography real? Is that even the right question? Maybe it's better to break things down a bit and answer smaller questions... like are colors real? OK, that might not be a smaller question, but it can help us answer the first one.
0:00 Introduction
0:54 Let's focus on color
1:38 Rods vs. Cones and Brightness
3:06 Why we need more than one cone
4:33 Human cones
5:21 Silly trichromatic color vision demo
6:18 Color Opponency
10:09 Silly Color Opponency Demo
11:16 Colors are fake?! Not entirely
14:58 Knowledge is power
16:00 End stuff
Links to articles cited in the video:
1) https://www.weizmann.ac.il/brain-sciences/labs/ulanovsky/sites/neurobiology.labs.ulanovsky/files/uploads/schneidman_compulsory_reading_mastland_2001_gollisch_meister_2010.pdf
2) journals.physiology.org/doi/abs/10.1152/physrev.1937.17.2.239?journalCode=physrev
3) opg.optica.org/josaa/fulltext.cfm?uri=josaa-34-7-1099&id=367369
I made a free SNR app that can help you know how much integration time you need. It's simple to use! Check it out here: deepskydetail.shinyapps.io/Calculate_SNR
Try the sharpening tool I made! Download it from GitHub here:
github.com/deepskydetail/AstroSharp
#astronomy #astrophotography #neuralnetwork #gimp #rstudio #photography #machinelearning #free #celestron #zwo #siril nqFI29h8W0Fp9UkKOJry
For those interested, here is the gear I use (or equivalent; Orion has discontinued some of their products, so the equivalent skywatcher products are listed). Most of the links are Amazon Affiliate links. Thanks!
Skywatcher HEQ5 Mount amzn.to/3NVrVQi
Skywatcher 80mm F7.5 Doublet amzn.to/47mbfZi
ZWO EFW mini filter wheel amzn.to/48OxhoN
Optolong LRGB Filter Set (1.25") amzn.to/47r23Tw
Orion 0.8x Reducer amzn.to/47s64a4
USB RJ45 Cable for Controlling Mount amzn.to/4aPlIzu
Raspberry Pi to control mount amzn.to/48mTBWH
R Pi case with touch screen amzn.to/3HvdNKl
ZWO Autofocuser amzn.to/3Skg0hX
