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Catadioptric telescope design

Reflectors

Reflectors
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Zeta Tauri?
  • 2915
  • 1

Zeta Tauri?

30 sec. @ ISO 1600, LevelssStretched in Photoshop CS5.

Zeta Tauri
  • 1979
  • 0

Zeta Tauri

Looking for M1, I used Cartes Du Ciel & Photoshop CS5 to overla...

star_test
  • 1553
  • 0

star_test


6 inch star test 136x, artifical star at 83 feet, DSLR at 55mm to increase mag.
  • 1749
  • 0

6 inch star test 136x, artifical star at 83 feet, DSLR at 55mm to increase mag.


6 inch star test 272x, artifical star at 83 feet, DSLR at 55mm to increase mag.
  • 1377
  • 0

6 inch star test 272x, artifical star at 83 feet, DSLR at 55mm to increase mag.


6 inch star test 272-2x, artifical star at 83 feet, DSLR at 55mm to increase mag.
  • 1426
  • 0

6 inch star test 272-2x, artifical star at 83 feet, DSLR at 55mm to increase mag.


10" f/4.9
  • 1319
  • 0

10" f/4.9

Star test!

Star tests 10inch LurieHoughton
  • 1315
  • 0

Star tests 10inch LurieHoughton


BlackSpot1
  • 1203
  • 1

BlackSpot1

The black spot in my telescope.

BlackDot2
  • 1070
  • 0

BlackDot2

The black spot in my telescope zoomed out.

ES Firstlight 8 Star Test
  • 985
  • 0

ES Firstlight 8 Star Test


SW500P Capella 10w
  • 894
  • 0

SW500P Capella 10w

SkyWatcher 20" Dob, new replacement mirror from factory. Stacked vi...

SW500P capella 10w singleframes
  • 949
  • 0

SW500P capella 10w singleframes

SkyWatcher 20" Dob, new replacement mirror from factory. Single fra...

Capella 10w
  • 1335
  • 0

Capella 10w

SkyWatcher 20" Dob, new replacement mirror from factory. Animation,...

SW500P Capella 18w
  • 998
  • 0

SW500P Capella 18w

SkyWatcher 20" Dob, new replacement mirror from factory. About 18 w...

Andy's whole scope
  • 937
  • 0

Andy's whole scope

17.5" f/4.5 with 6 f/5

Whiffle tree 18
  • 1027
  • 1

Whiffle tree 18


IMG 0004
  • 829
  • 0

IMG 0004

skywatcher 12 inch dob

Star extrafocal
  • 946
  • 1

Star extrafocal

moved primary into tube 25mm to gain backfocus distance for camera...

Star Intrafocal
  • 908
  • 1

Star Intrafocal

Same star, inside of focus. Camera Sony A6000.

2020 05 09 M3 C6 63 800
  • 757
  • 0

2020 05 09 M3 C6 63 800

M3, EAA, C6, f/6.3, (6) x 20" stacked Canon DSLR 1200D, ISO 800, B...

2020 05 13 arcturus newt dlsr 800 1x20
  • 800
  • 0

2020 05 13 arcturus newt dlsr 800 1x20

Arcturus, EAA, 6", f/4 Newtonian Astrograph, (1) 20" exposure Cano...

Collimation Image
  • 680
  • 0

Collimation Image


Collimation 2
  • 593
  • 0

Collimation 2


Collimation 3
  • 609
  • 0

Collimation 3


Collimation 4
  • 624
  • 0

Collimation 4


Meade LX90 Gear/Motor/Encoder Unit
  • 482
  • 0

Meade LX90 Gear/Motor/Encoder Unit

The gear/motor/encoder unit disassembled. The gear with the encoder...

Encoder PCB Chip HP8X One Side Up
  • 494
  • 0

Encoder PCB Chip HP8X One Side Up

I desoldered one side of the encoder chip to get the chip number. I...

Worm/Gear/Encoder Unit
  • 476
  • 0

Worm/Gear/Encoder Unit

The driver unit of one axis here ALT. The top removed to get an ins...

Worm/Gear/Encoder Unit
  • 424
  • 0

Worm/Gear/Encoder Unit

THe driver unit with worm.

LX90 Mechanical And Electronic Parts
  • 426
  • 0

LX90 Mechanical And Electronic Parts

Most parts of the mechanics and electronics of the LX90

LX90 Driver Unit (PCB)
  • 446
  • 0

LX90 Driver Unit (PCB)


LX90 Side Disassembled
  • 425
  • 0

LX90 Side Disassembled

The Alt/Z side disassembled for inside view of the mechanics and el...

Gear / Clutch Of ALT/Z
  • 428
  • 0

Gear / Clutch Of ALT/Z


DECC0248 3A6F 4DA3 BB25 01DEF2B95B92
  • 426
  • 0

DECC0248 3A6F 4DA3 BB25 01DEF2B95B92

My cave.

Inside 11072022
  • 337
  • 0

Inside 11072022


Outside 1172022
  • 320
  • 0

Outside 1172022


18072022
  • 370
  • 0

18072022

Winroddier analysis 18072022

18072022b
  • 372
  • 0

18072022b

PI analysis 18072022

SMdot issue2
  • 316
  • 0

SMdot issue2


PM clipped My front cell
  • 329
  • 0

PM clipped My front cell


From apex
  • 330
  • 0

From apex


Winroddier28072022
  • 345
  • 0

Winroddier28072022


CCDI28072022
  • 308
  • 0

CCDI28072022


08082022
  • 351
  • 0

08082022

MN190 555nm

PIWavefront All combined Strehl 0.946
  • 299
  • 0

PIWavefront All combined Strehl 0.946

10802022

offset1
  • 227
  • 0

offset1


Base To SM with 4mm Gap 63mm
  • 215
  • 0

Base To SM with 4mm Gap 63mm





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