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Catadioptric telescope design

Reflectors

Reflectors

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MN190flat

38
0

MN190flat

83
0

IMG 3887

MN190 Corrector cell

231
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MN190 Corrector cell

MN190 dimensions1

222
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MN190 dimensions1

MN190 primary mirror cell

223
0

MN190 primary mirror cell

MN190 corrector inscribed

209
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MN190 corrector inscribed

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

1754
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6 inch star test 136x, artifical star at 83 feet, DSLR at 55mm to increase mag.

MN190 corrector secondary installation

209
0

MN190 corrector secondary installation

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.

1427
0

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

MN190 factory secondary

228
0

MN190 factory secondary

08082022

353
0

08082022

MN190 555nm

Winroddier28072022

346
0

Winroddier28072022

CCDI28072022

308
0

CCDI28072022

WR27092022

236
0

WR27092022

Collimation Image

681
0

Collimation Image

Andy's whole scope

937
0

Andy's whole scope

17.5" f/4.5 with 6 f/5

Whiffle tree 18

1028
1

Whiffle tree 18

Star extrafocal

946
1

Star extrafocal

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

Star Intrafocal

911
1

Star Intrafocal

Same star, inside of focus. Camera Sony A6000.

offset1

228
0

offset1

Base To SM with 4mm Gap 63mm

216
0

Base To SM with 4mm Gap 63mm

SM rounded under focuser

223
0

SM rounded under focuser

Focuser base length 94mm

223
0

Focuser base length 94mm

244
0

1

243
0

2

270
0

3

Meade LX90 Gear/Motor/Encoder Unit

483
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

480
0

Worm/Gear/Encoder Unit

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

Worm/Gear/Encoder Unit

425
0

Worm/Gear/Encoder Unit

THe driver unit with worm.

LX90 Mechanical And Electronic Parts

427
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LX90 Mechanical And Electronic Parts

Most parts of the mechanics and electronics of the LX90

LX90 Driver Unit (PCB)

454
0

LX90 Driver Unit (PCB)

LX90 Side Disassembled

427
0

LX90 Side Disassembled

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

831
0

IMG 0004

skywatcher 12 inch dob

Gear / Clutch Of ALT/Z

429
0

Gear / Clutch Of ALT/Z

BlackSpot1

1205
1

BlackSpot1

The black spot in my telescope.

BlackDot2

1071
0

BlackDot2

The black spot in my telescope zoomed out.

24” f/d 3,4

40
0

24” f/d 3,4

Primary mirror 600 f/d 3.4 thickness 50mm Secondary mirror 150 mm o...

24” f/d 3,4

39
0

24” f/d 3,4

DECC0248 3A6F 4DA3 BB25 01DEF2B95B92

426
0

DECC0248 3A6F 4DA3 BB25 01DEF2B95B92

My cave.

Collimation 2

594
0

Collimation 2

Collimation 3

609
0

Collimation 3

Catadioptric telescope design

36
0

Catadioptric telescope design

Telescope: Maksutov SVBONY MK105 Mount: Celestron Wedge Filter: SVB...

18072022

371
0

18072022

Winroddier analysis 18072022

Dob

152
0

Dob

My 8" Apertura on it's DIY dolly dressed for bad weather

18072022b

373
0

18072022b

PI analysis 18072022

Z100/photo tripod

114
0

Z100/photo tripod

Donated to my co-workers daughters who are in STEM programs at thei...

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